18 months & up. Five wobbly textured pins can be sorted right side up or upside down into the weighted bowl. Each pin is textured and colorful and the bowl has an enjoyable chime inside that adds to sensory discovery while experimenting with balance and movement. Encourages fine motor skills, sensory exploration, and early experimentation. Pins are approximately 3.75" tall and 2" in diameter and the bowl measures 7.5" x 7.5" x 3.25". BPA-free.